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Off-Balance Sheet Financial Instruments and Guarantees (Tables)
12 Months Ended
Dec. 31, 2020
Off-Balance Sheet Financial Instruments and Guarantees [Abstract]  
Schedule of Fair Value, Off-balance Sheet Risks

December 31,

2020

2019

(In Thousands)

Commitments to grant loans

$

78,310

$

44,246

Unfunded commitments under lines of credit

137,965

56,840

Standby letters of credit

5,636

3,668

$

221,911

$

104,754